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Finding the Fourth Proportional to 617,477.92, 852,165.30 and 345,573.04

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Solution

The fourth proportional to 617,477.92, 852,165.30 and 345,573.04 is: 476,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,477.92 : 852,165.30 = 345,573.04 : x
  2. Step 2: Convert to fraction form
    617,477.92/852,165.30 = 345,573.04/x
  3. Step 3: Cross multiply
    617,477.92x = 852,165.30 × 345,573.04
  4. Step 4: Simplify right side
    617,477.92x = 294,485,353,303.51
  5. Step 5: Solve for x
    x = 294,485,353,303.51/617,477.92
  6. Step 6: Final answer
    x = 476,916.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.